document.write("«&nbsp;<a href='/news/view?id=150386'>Chern-Gauss-Bonnet formula for singular Yamabe metrics in dimension four. (arXiv:1902.01562v1 [math.DG])</a>");document.write(" | ");document.write("<a href='/news/view?id=150388'>Chrome OS’ Instant Tethering now works with more than 30 Android smartphones</a>&nbsp;»");